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Miller" , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kernel-team@android.com, Edward Liaw , linux-security-module@vger.kernel.org, netdev@vger.kernel.org, linux-riscv@lists.infradead.org, bpf@vger.kernel.org, John Hubbard Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" lib.mk will add -D_GNU_SOURCE to CFLAGS by default. This will make it unnecessary to add #define _GNU_SOURCE in the source code. Suggested-by: John Hubbard Signed-off-by: Edward Liaw --- tools/testing/selftests/lib.mk | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 429535816dbd..e782f4c96aee 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -188,6 +188,9 @@ endef clean: $(if $(TEST_GEN_MODS_DIR),clean_mods_dir) $(CLEAN) =20 +# Build with _GNU_SOURCE by default +CFLAGS +=3D -D_GNU_SOURCE + # Enables to extend CFLAGS and LDFLAGS from command line, e.g. # make USERCFLAGS=3D-Werror USERLDFLAGS=3D-static CFLAGS +=3D $(USERCFLAGS) --=20 2.45.1.288.g0e0cd299f1-goog